diff --git a/lib/services/medipost.service.ts b/lib/services/medipost.service.ts
index aad9655..621f41a 100644
--- a/lib/services/medipost.service.ts
+++ b/lib/services/medipost.service.ts
@@ -19,6 +19,7 @@ import { SyncStatus } from '@/lib/types/audit';
 import {
   AnalysisOrderStatus,
   GetMessageListResponse,
+  IMedipostResponseXMLBase,
   MaterjalideGrupp,
   MedipostAction,
   MedipostOrderResponse,
@@ -38,6 +39,20 @@ import { createAnalysisGroup } from './analysis-group.service';
 const BASE_URL = process.env.MEDIPOST_URL!;
 const USER = process.env.MEDIPOST_USER!;
 const PASSWORD = process.env.MEDIPOST_PASSWORD!;
+const RECIPIENT = process.env.MEDIPOST_RECIPIENT!;
+
+function parseXML(xml: string) {
+  const parser = new XMLParser({ ignoreAttributes: false });
+  return parser.parse(xml);
+}
+
+export async function validateMedipostResponse(response: string) {
+  const parsed: IMedipostResponseXMLBase = parseXML(response);
+  if (typeof parsed.ANSWER?.CODE !== 'number' || parsed.ANSWER?.CODE !== 0) {
+    console.error("Bad response", response);
+    throw new Error(`Medipost response is invalid`);
+  }
+}
 
 export async function getMessages() {
   try {
@@ -85,14 +100,8 @@ export async function getPublicMessage(messageId: string) {
       Accept: 'application/xml',
     },
   });
-  const parser = new XMLParser({ ignoreAttributes: false });
-  const parsed: MedipostPublicMessageResponse = parser.parse(data);
-
-  if (parsed.ANSWER?.CODE && parsed.ANSWER?.CODE !== 0) {
-    throw new Error(`Failed to get public message (id: ${messageId})`);
-  }
-
-  return parsed;
+  await validateMedipostResponse(data);
+  return parseXML(data) as MedipostPublicMessageResponse;
 }
 
 export async function sendPrivateMessage(messageXml: string, receiver: string) {
@@ -111,9 +120,7 @@ export async function sendPrivateMessage(messageXml: string, receiver: string) {
 
   const { data } = await axios.post(BASE_URL, body);
 
-  if (data.code && data.code !== 0) {
-    throw new Error(`Failed to send private message`);
-  }
+  await validateMedipostResponse(data);
 }
 
 export async function getLatestPrivateMessageListItem() {
@@ -145,15 +152,9 @@ export async function getPrivateMessage(messageId: string) {
     },
   });
 
-  const parser = new XMLParser({ ignoreAttributes: false });
-  const parsed = parser.parse(data);
+  await validateMedipostResponse(data);
 
-  if (parsed.ANSWER?.CODE && parsed.ANSWER?.CODE !== 0) {
-    console.error("Bad response", data);
-    throw new Error(`Failed to get private message (id: ${messageId})`);
-  }
-
-  return parsed;
+  return parseXML(data) as MedipostOrderResponse;
 }
 
 export async function deletePrivateMessage(messageId: string) {